Software Engineer II

Mastercard; Helena (MT); On-site; USD 95,000 - 125,000; Full time

Job summary

Mastercard is seeking a Software Engineer II to analyze, design, develop, test, and deliver secure, scalable software solutions that meet business needs and engineering standards. You will contribute to an environment that values innovation, quality, and operational excellence while collaborating with global teams.

In this role you will own end-to-end SDLC activities, participate in architecture reviews, mentor teammates, and help drive secure coding practices.

Qualifications

• Bachelor's degree in computer science, engineering, or related field.
• 3-5 years of software engineering experience.
• Experience building secure, scalable applications; financial services familiarity preferred.
• Strong understanding of SDLC, Agile methodologies.
• Excellent analytical and collaboration skills.

Responsibilities

• Design and develop software solutions aligned with Mastercard standards.
• Own end-to-end SDLC activities from analysis to production support.
• Lead troubleshooting, root cause analysis of incidents.
• Participate in architecture discussions and PoCs.
• Mentor teammates and promote knowledge sharing.

Skills

Java

Spring Boot

REST APIs

Microservices

React

TypeScript

AWS

Docker

Kubernetes

CI/CD

Git

SQL

Education

Bachelor's degree in Computer Science/Engineering

Tools

Jest

React Testing Library

Cypress

Oracle

PostgreSQL

SQL Server

NoSQL Databases

Maven/Gradle

Job description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Software Engineer IIOverviewResponsible for analysing, designing, developing, testing, and delivering secure, scalable software solutions that meet business needs and Mastercard engineering standards. Drives innovation, quality, and operational excellence while collaborating across global teams.

Role

In this position, you will:

• Design and develop high-quality software solutions aligned with Mastercard standards and best practices.
• Own end-to-end SDLC activities, including requirements analysis, design, development, testing, deployment, and production support.
• Lead troubleshooting, root cause analysis, and resolution of production incidents.
• Participate in architecture discussions, technology evaluations, and Proof of Concepts (PoCs).
• Drive quality through code reviews, security reviews, testing, and engineering best practices.
• Mentor team members and promote technical knowledge sharing.
• Collaborate effectively with cross-functional and geographically distributed teams.

All About You

• Bachelor's degree in Computer Science, Engineering, Information Technology, or related field.
• 3-5 years of experience in software engineering.
• Experience building secure, scalable, and resilient applications; Financial Services experience is preferred.
• Strong understanding of software engineering principles, SDLC, and Agile methodologies.
• Excellent analytical, problem-solving, communication, and collaboration skills.
• Self-motivated with the ability to work effectively in a fast-paced environment.

Key Skills & Technologies

• Backend: Java, Spring Boot, REST APIs, Microservices Architecture
• Frontend: React.js, JavaScript, TypeScript, HTML5, CSS3
• Frontend Testing: Jest, React Testing Library, Cypress
• Databases: Oracle, PostgreSQL, SQL Server, NoSQL Databases
• Cloud & DevOps: AWS/Azure, Docker, Kubernetes, CI/CD, Git, Maven/Gradle
• Testing & Quality: JUnit, Unit Testing, Integration Testing, Performance Testing, Test Automation
• Architecture & Security: System Design, API Design, Secure Coding, OWASP Principles
• Engineering Practices: Agile/Scrum, SDLC, Code Reviews, DevOps, Production Support
• Monitoring & Observability: Splunk, Dynatrace, ELK/OpenSearch, Application Performance Monitoring (APM)
• AI-Assisted Development: AI Coding Assistants and Agentic AI Tools for code generation, refactoring, code reviews, unit test creation, documentation generation, vulnerability remediation, and accelerated software delivery

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard’s security policies and practices;
• Ensure the confidentiality and integrity of the information being accessed;
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.